The article doesn’t explain the expansion of moose habitat. Elimination of bison? Eradication of wolves?
At a guess I’d say wolves.
Not much else changed except the eradication of the Mooses traditional antagonist .
From experience, and what I know of moose, wolves and other animals, moose may provide the food source for wolves to prevent them going after the cattle. The wolves certainly need to thin out the elk herds in some areas, so I would think it’s just another way of preventing loss of livestock for the farmers. Unless they are farming moose...